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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 08:12

General

  • Target

    1131ab2462a3f80fb829c744ae6680f2.exe

  • Size

    420KB

  • MD5

    1131ab2462a3f80fb829c744ae6680f2

  • SHA1

    7488cb367237761126fbd071d80838cefb1b2684

  • SHA256

    47786bb46a62512339e42458fa1a2e907130b4f9d456cdcb3840cf8816b4fd86

  • SHA512

    e5d4bb399bf2204c348af991d769631825824c10d412f6fe781b697bb6520e9eb4b75b686c8022b44fc418813058194266cccf662ec404164ea1d19fc079d5af

  • SSDEEP

    12288:zFUqA5+/fydBt90qlb6qolJ8fJF2s85DpU:zFUJef+1NNO8fCDC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1131ab2462a3f80fb829c744ae6680f2.exe
    "C:\Users\Admin\AppData\Local\Temp\1131ab2462a3f80fb829c744ae6680f2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\Wbem\WMIC.exe
      WMIC csproduct Get UUID /FORMAT:textvaluelist.xsl
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\SysWOW64\Wbem\WMIC.exe
      WMIC bios Get SerialNumber /FORMAT:textvaluelist.xsl
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2896
    • C:\Windows\SysWOW64\Wbem\WMIC.exe
      WMIC bios Get Version /FORMAT:textvaluelist.xsl
      2⤵
        PID:2284
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        WMIC csproduct Get Name /FORMAT:textvaluelist.xsl
        2⤵
          PID:2952
        • C:\Users\Admin\AppData\Local\Temp\nstBE5.tmp\7za.exe
          7za.exe e -y -p"cbd3e4aaddb564d0436878cbceeb942f" [RANDOM_STRING].7z
          2⤵
          • Executes dropped EXE
          PID:2648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nstBE5.tmp\[RANDOM_STRING].7z

        Filesize

        225KB

        MD5

        9609cd4f65858ae115d4982897d1859a

        SHA1

        e84817126332fa0848227bdf48d2d41916c94dc6

        SHA256

        6fdf3a775dcd7778963e0bb56004e64c64e15c675a1d26a3cda6551b61417e41

        SHA512

        1cf096d2aa8738852a2bb2163c838a3e13bf53104bfde058178b26de1e5ef8b313db82945d8eebb4adb2be6c9dd97f65953e55f8e7d07f3102ebb2c1fc5b35c2

      • C:\Users\Admin\AppData\Local\Temp\nstBE5.tmp\install23983.exe

        Filesize

        193KB

        MD5

        10bd2af1b07ec6bc9cd17ba512569e59

        SHA1

        807e17ab1b98177e135d30941b45081960d1e866

        SHA256

        9c620ef6eac3d0d9d3f6f2622a53d1f543cebd93846636ba397683962c07fc7c

        SHA512

        deacd041f12b6ec74f9e4488874ce962037990ed0ae424aaeabf2c35876b2ebbb943f92e9a4ffe504718bb00021209b035439ea4d7c64a4031b86ce9104ce3ed

      • \Users\Admin\AppData\Local\Temp\nstBE5.tmp\7za.exe

        Filesize

        574KB

        MD5

        42badc1d2f03a8b1e4875740d3d49336

        SHA1

        cee178da1fb05f99af7a3547093122893bd1eb46

        SHA256

        c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

        SHA512

        6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

      • \Users\Admin\AppData\Local\Temp\nstBE5.tmp\nsExec.dll

        Filesize

        6KB

        MD5

        acc2b699edfea5bf5aae45aba3a41e96

        SHA1

        d2accf4d494e43ceb2cff69abe4dd17147d29cc2

        SHA256

        168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

        SHA512

        e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe